From a6a9d1e0fbacdd7eac857b0d2a369886847de4ec Mon Sep 17 00:00:00 2001
From: Andrew Steinborn <git@steinborn.me>
Date: Tue, 9 Feb 2021 14:25:12 -0500
Subject: [PATCH] Forward slashes are allowed in channel IDs

Fixes an issue where the Fabric registry sync packet would not be allowed by Velocity.
---
 .../api/proxy/messages/MinecraftChannelIdentifier.java          | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/api/src/main/java/com/velocitypowered/api/proxy/messages/MinecraftChannelIdentifier.java b/api/src/main/java/com/velocitypowered/api/proxy/messages/MinecraftChannelIdentifier.java
index 01a582035..2cb66007a 100644
--- a/api/src/main/java/com/velocitypowered/api/proxy/messages/MinecraftChannelIdentifier.java
+++ b/api/src/main/java/com/velocitypowered/api/proxy/messages/MinecraftChannelIdentifier.java
@@ -13,7 +13,7 @@ import org.checkerframework.checker.nullness.qual.Nullable;
  */
 public final class MinecraftChannelIdentifier implements ChannelIdentifier {
 
-  private static final Pattern VALID_IDENTIFIER_REGEX = Pattern.compile("[a-z0-9\\-_]*");
+  private static final Pattern VALID_IDENTIFIER_REGEX = Pattern.compile("[a-z0-9/\\-_]*");
 
   private final String namespace;
   private final String name;